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<?php $a = 0; var_dump($b::class);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/u2PV1
function name:  (null)
number of ops:  6
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, 0
    3     1        INIT_FCALL                                                   'var_dump'
          2        FETCH_CLASS_NAME                                     ~3      !1
          3        SEND_VAL                                                     ~3
          4        DO_ICALL                                                     
          5      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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